Messages in this thread | | | Date | Thu, 22 Sep 2011 22:48:36 +0200 | Subject | Re: [PATCH v5 1/1] HID: Add full support for Logitech Unifying receivers | From | Benjamin Tissoires <> |
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Hi Richard,
here, you'll find a small C program that allows you to do a pairing of a new device to a receiver.
compile it with with gcc -o pairing_tool pairing_tool.c
--------------------------------- file pairing_tool.c --------------------------------- /* * Copyright 2011 Benjamin Tissoires <benjamin.tissoires@gmail.com> * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <linux/input.h> #include <linux/hidraw.h> #include <sys/ioctl.h> #include <fcntl.h> #include <unistd.h> #include <stdio.h> #include <errno.h>
#define USB_VENDOR_ID_LOGITECH (__u32)0x046d #define USB_DEVICE_ID_UNIFYING_RECEIVER (__s16)0xc52b #define USB_DEVICE_ID_UNIFYING_RECEIVER_2 (__s16)0xc532
int main(int argc, char **argv) { int fd; int res; struct hidraw_devinfo info; char magic_sequence[] = {0x10, 0xFF, 0x80, 0xB2, 0x01, 0x00, 0x00};
if (argc == 1) { errno = EINVAL; perror("No hidraw device given"); return 1; }
/* Open the Device with non-blocking reads. */ fd = open(argv[1], O_RDWR|O_NONBLOCK);
if (fd < 0) { perror("Unable to open device"); return 1; }
/* Get Raw Info */ res = ioctl(fd, HIDIOCGRAWINFO, &info); if (res < 0) { perror("error while getting info from device"); } else { if (info.bustype != BUS_USB || info.vendor != USB_VENDOR_ID_LOGITECH || (info.product != USB_DEVICE_ID_UNIFYING_RECEIVER && info.product != USB_DEVICE_ID_UNIFYING_RECEIVER_2)) { errno = EPERM; perror("The given device is not a Logitech " "Unifying Receiver"); return 1; } }
/* Send the magic sequence to the Device */ res = write(fd, magic_sequence, sizeof(magic_sequence)); if (res < 0) { printf("Error: %d\n", errno); perror("write"); } else if (res == sizeof(magic_sequence)) { printf("The receiver is ready to pair a new device.\n" "Switch your device on to pair it.\n"); } else { errno = ENOMEM; printf("write: %d were written instead of %ld.\n", res, sizeof(magic_sequence)); perror("write"); } close(fd); return 0; } ----------------------------- end of file pairing_tool.c ----------------------------
I hope it will be useful to you.
Cheers, Benjamin
On Mon, Sep 19, 2011 at 22:12, Richard Schütz <r.schtz@t-online.de> wrote: > Am 14.09.2011 18:48, schrieb Nestor Lopez Casado: >> >> From: Nestor Lopez Casado<nlopezcasad@logitech.com> >> >> With this driver, all the devices paired to a single Unifying >> receiver are exposed to user processes in separated /input/dev >> nodes. > > But there's still no way to pair devices with an Unifying receiver under > Linux, right? It would be nice to have a simple userspace tool for that, > too. > > -- > Regards, > Richard Schütz > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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